To get an idea of exactly how small the worldâs smallest insect is, take out a ruler and look at those tiny lines that appear in between centimeters (make sure youâre not on the side that measures in inches). If in doubt, ask a grown-up to help you find the millimeters.
Nausea and vomiting are very nonspecific symptoms that can be common among people with stomach cancer. Persistent nausea and/or vomiting needs to be checked by your doctor. It can indicate a serious health problem and can cause damage to the lining of your esophagus.
If your chemotherapy causes damage to the lining of your intestine, diarrhea may result. Not all chemotherapy drugs cause diarrhea, so ask your doctor whether it's a side effect of your specific type of treatment.1  Radiation therapy. 2  Radiation therapy that focuses on your abdomen, pelvis or lower back can cause diarrhea. 3  How severe your diarrhea will be depends on your radiation dose.f your chemotherapy causes damage to the lining of your intestine, diarrhea may result. Not all chemotherapy drugs cause diarrhea, so ask your doctor whether it's a side effect of your specific type of treatment.